例如，人们以前认为铟的原子质量介于砷和硒之间。
Indium, for example, had previously been assigned an atomic mass between those of arsenic and selenium.
科学家们还证实了高砷水对甜菜、胡萝卜和小麦的影响。
The scientists have also confirmed the impact of water with high arsenic content on beet, carrot and wheat crops.
这本书论述了对饮用水中的其他化学品的管控，比如砷或蓝藻毒素。
The book addresses the management of other chemicals in drinking-water, such as arsenic or cyanotoxins.
产生的代谢产物是二甲基砷自由基和二甲基砷过氧自由基。
Resulting metabolites are the dimethylarsenic radical and the dimethylarsenic peroxyl radical.
恒河三角洲的地下沉积物中含有砷。
The underground sediment of the Ganges Delta contains arsenic.
该药由砷衍生，有多种不良副作用。
It is derived from arsenic and has many undesirable side effects.
这种微生物似乎能将砷吸收到DNA 中。
The microbes seem to have incorporated arsenic into their DNA.
另一方面，如果摄取大量的无机砷则有可能致死。
Inorganic arsenic, on the other hand, can prove deadly if ingested in large quantities.
当研究人员将磷去掉，换成砷，这些微生物仍可以继续生长。
When researchers removed the phosphorus and replaced it with arsenic the microbes continued to grow.
这意味着纳米通道也可以检测饮用水中的其他如砷、汞的杂质。
This means the nanochannels could also detect impurities, such as arsenic or mercury, in drinking water.
最近发现的一种细菌可以用砷替代磷作为生命组成的基本元素。
A bacterium has been discovered that can substitute arsenic for phosphorus in fundamental life chemistry.
最近发现的一种细菌可以用砷替代磷作为生命组成的基本元素。
A bacterium has been discovered that can substitute arsenic for phosphorus in fundamental life chemistry. Christopher Intagliata reports.
罗森，朱和其他的同事还利用传统的育种技术选择培育少砷的种苗。
Rosen, Zhu, and colleagues are also using conventional breeding techniques to select for cultivars that accumulate little arsenic.
土壤中的砷或镉被运送到植物细胞并贮存在被称为液泡的小隔间里。
Arsenic or cadmium in soils is transported to plant cells and stored in compartments called vacuoles.
在元素周期表中，砷就位于磷的下面，二者具有很多相同的化学性质。
Arsenic sits right beneath phosphorus in the periodic table of the elements and shares many of its chemical properties.
他们利用生物砖组件改变大肠杆菌使其在遇到砷的时候发出警告信号。
E. coli bacteria were modified using BioBrick components to produce a warning signal in the presence of arsenic.
中国在治理砷、氟等方面积累一些经验，愿派专家来孟开展交流合作。
China has accumulated some experience in treating such elements as arsenic and fluorine and is willing to send experts to Bangladesh for exchanges and cooperation.
就像今天的煤灰一样，这些颗粒中可能也含有一些有毒金属，如铬和砷。
And like coal ash produced today, the particles would have been loaded with toxic metals such as chromium and arsenic.
因为砷和磷有一些相同的化学特性，研究人员早有预感有这种细菌存在。
The researchers had a hunch a bug like this might exist, because arsenic has some chemical properties in common with phosphorus.
大部分微量元素，包括锰和砷，通过自然过程中的岩石风化作用进入水体。
Most trace elements, including manganese and arsenic, get into the water through the natural process of rock weathering.
伯格的团队正与达卡的科学家们合作，评估砷元素向深层沉积物中移动的情况。
Berg's team is in contact with scientists in Dhaka to evaluate arsenic migration into deeper sediments.
这个团队是第一个能够给出实实在在的证据说明深层地层中的砷会进入地下水的。
The group is the first to give real-life evidence that arsenic in deeper layers can get into groundwater.
煤燃料中的汞、砷以及其他危险的化学物质都对世界上的海洋和河流造成了污染。
Coal is polluting the world's oceans and streams with mercury, arsenic and other dangerous chemicals.
有机砷，由名字即可得知，它天然存在于环境当中，而且许多食物都含有有机砷。
Organic arsenic, hence the name, is naturally occurring in the environment and can be found in many foods.
这表明在19世纪初，当时生活环境中含有如今会被认为是非常危险的高含量的砷。
At the beginning of the 19th century, that finding suggests, arsenic was present in the environment in quantities that are currently considered very dangerous.
这表明在19世纪初，当时生活环境中含有如今会被认为是非常危险的高含量的砷。
At the beginning of the 19th century, that finding suggests, arsenic was present in the environment in quantities that are currently considered very dangerous.
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